implement ConnectPort

jack/src/jack_port.rs

@@ -82,6 +82,67 @@ impl RegisterPort for Arc<RwLock<JackConnection>> {
     }
 }
 
+pub trait ConnectPort {
+    fn port_by_name (&self, name: impl AsRef<str>) -> Option<Port<Unowned>>;
+    fn connect_ports <A: PortSpec, B: PortSpec> (&self, source: &Port<A>, target: &Port<B>)
+        -> Usually<()>;
+    fn connect_midi_from (&self, input: &Port<MidiIn>, ports: &[impl AsRef<str>]) -> Usually<()> {
+        for port in ports.iter() {
+            let port = port.as_ref();
+            if let Some(port) = self.port_by_name(port).as_ref() {
+                self.connect_ports(port, input)?;
+            } else {
+                panic!("Missing MIDI output: {port}. Use jack_lsp to list all port names.");
+            }
+        }
+        Ok(())
+    }
+    fn connect_midi_to (&self, output: &Port<MidiOut>, ports: &[impl AsRef<str>]) -> Usually<()> {
+        for port in ports.iter() {
+            let port = port.as_ref();
+            if let Some(port) = self.port_by_name(port).as_ref() {
+                self.connect_ports(output, port)?;
+            } else {
+                panic!("Missing MIDI input: {port}. Use jack_lsp to list all port names.");
+            }
+        }
+        Ok(())
+    }
+    fn connect_audio_from (&self, input: &Port<AudioIn>, ports: &[impl AsRef<str>]) -> Usually<()> {
+        for port in ports.iter() {
+            let port = port.as_ref();
+            if let Some(port) = self.port_by_name(port).as_ref() {
+                self.connect_ports(port, input)?;
+            } else {
+                panic!("Missing MIDI output: {port}. Use jack_lsp to list all port names.");
+            }
+        }
+        Ok(())
+    }
+    fn connect_audio_to (&self, output: &Port<AudioOut>, ports: &[impl AsRef<str>]) -> Usually<()> {
+        for port in ports.iter() {
+            let port = port.as_ref();
+            if let Some(port) = self.port_by_name(port).as_ref() {
+                self.connect_ports(output, port)?;
+            } else {
+                panic!("Missing MIDI input: {port}. Use jack_lsp to list all port names.");
+            }
+        }
+        Ok(())
+    }
+}
+
+impl ConnectPort for Arc<RwLock<JackConnection>> {
+    fn port_by_name (&self, name: impl AsRef<str>) -> Option<Port<Unowned>> {
+        self.read().unwrap().client().port_by_name(name.as_ref())
+    }
+    fn connect_ports <A: PortSpec, B: PortSpec> (&self, source: &Port<A>, target: &Port<B>)
+        -> Usually<()>
+    {
+        Ok(self.read().unwrap().client().connect_ports(source, target)?)
+    }
+}
+
 ///// Collection of JACK ports as [AudioIn]/[AudioOut]/[MidiIn]/[MidiOut].
 //#[derive(Default, Debug)]
 //pub struct JackPorts {